Roof & Wall Cowls

Extract cowls to keep the weather out, mounted externally on roofs.

Displaying 1 to 24 (of 47 products)
Jet Cowl Ventilation Outlet - HN
Jet Cowl Ventilation Outlet - HN
£ 234.33
Jet Cowl Ventilation hood for air exit above roof, suitable for both industrial and comfort ventilation. The air is ejected in an upwards-directed jet. This avoids contaminating the air in the vicinit...
Roof Cowl Vent - HU
Roof Cowl Vent - HU
£ 37.58
Galvanised Steel Vent Fitting - Cowl - Provided with a female connection which fits outside a ventilation duct. For sizes select above....
Roof Flashing - Dektite Ezi-Seal - DFE
Roof Flashing - Dektite Ezi-Seal - DFE
£ 34.08
Dektite Ezi-Seal Flashing Dektite® EZi-Seal features a revolutionary closed-cell foam gasket which is non-absorbent and non-porous. It hugs the roof line to provide a watertight seal without the nee...
Roof Flashing - Dektite Hi Temp Silicon
Roof Flashing - Dektite Hi Temp Silicon
£ 34.70
Dektite DFE-RE Red Silicon Flashing Perfect for Flashing Pipes on Metal Roofs Red Silicon Version so high temperature. (-50C to +250C) The multi-application flashing, edged with a flexible aluminiu...
Seldek - Aluminium Flashing - SDK
Seldek - Aluminium Flashing - SDK
£ 56.16
The SELDEK- Aluminium won't stain or corrode roofs and gutters. The EPDM cone, which is trimmed on site to fit, is ingeniously locked to high grade and malleable 99.9% pure aluminium base. The fast ec...
Vent Cowl - VC10
Vent Cowl - VC10
£ 22.85
Provides weather protection for a 100mm PVCu rigid ducted outlet. (100mm inside diameter, 110mm outside) Pushfit and secured with solvent adhesive. Grey. Cowl diameter: 200mm w201 x h101...
Roof Axial Cowl - RAW500 / 560
Roof Axial Cowl - RAW500 / 560
£ 509.17
Roof Axial Cowl ONLY - RA560 to suit Plate Axial Fan 500mm or 560mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW630 / 710
Roof Axial Cowl - RAW630 / 710
£ 622.57
Roof Axial Cowl ONLY - RAW630/710 Suitable for 630mm & 710mm Plate Axial fans. See Download on next Tab...
Roof Axial Cowl - RAW800
Roof Axial Cowl - RAW800
£ 962.77
Roof Axial Cowl ONLY - RAW800 Suitable for 800mm Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW400/450
Roof Axial Cowl - RAW400/450
£ 327.73
Roof Axial Cowl ONLY - RA450 to suit Plate Axial Fan 400mm or 450mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW350
Roof Axial Cowl - RAW350
£ 327.73
Roof Axial Cowl ONLY - RA350 to suit Plate Axial Fan 350mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW315
Roof Axial Cowl - RAW315
£ 327.73
Roof Axial Cowl ONLY - RA315 to suit Plate Axial Fan 300mm or 315mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW250
Roof Axial Cowl - RAW250
£ 271.03
Roof Axial Cowl ONLY - RA250 to suit Plate Axial Fan 200mm or 250mm Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Axial Cowl - RAW1000
Roof Axial Cowl - RAW1000
£ 1,336.99
Roof Axial Cowl ONLY - RAW1000 Suitable for Plate Axial fans. Download resistance charts HERE. See sizes of the cowl and base requirements HERE....
Roof Cowl Vent - VHE
Roof Cowl Vent - VHE
£ 21.63
The VHE Roof Cowl can be used for air intake and ejection in both industrial and residential buildings. VHE roof cowl are made of galvanised sheet metal, The inlet is protected with steel mesh. ...
TILEVENT Universal Roof Outlet - Brown
TILEVENT Universal Roof Outlet - Brown
£ 65.49
TILEVENT Universal Roof Outlet is suitable for most popular interlocking and pan tiles. High performance and low resistance, ideal for heat recovery, positive input ventilation and standard extract...
TILEVENT Universal Roof Outlet - Grey
TILEVENT Universal Roof Outlet - Grey
£ 65.49
TILEVENT Universal Roof Outlet is suitable for most popular interlocking and pan tiles. High performance and low resistance, ideal for heat recovery, positive input ventilation and standard extract...
SLATEVENT-Grey
SLATEVENT-Grey
£ 65.49
Stepped adaptor is included for fitting to 100, 125 and 150mm ducting. Features Large free area of 20,000mm2 for high flow system performance Low profile design makes it unobtrusive on the roof lin...
Miniflow SMF Horizontal Roof Cowl SMF13
Miniflow SMF Horizontal Roof Cowl SMF13
£ 100.30
Miniflow SMF Horizontal Roof Cowl SMF13 Applications This unit is ideally suited for toilets, bathrooms and shower rooms. Max Duty - 360 m3/hr Casing The top cowl and fan support hous...
Miniflow SMF Horizontal Roof Cowl SMF20/30
Miniflow SMF Horizontal Roof Cowl SMF20/30
£ 146.10
Miniflow SMF Horizontal Roof Cowl SMF20/30 Applications This unit is ideally suited for toilets, bathrooms and shower rooms. Max Duty - 1,800 m3/hr Casing The top cowl and fan support...
Skyflow SSR Horizontal Roof Cowl SSR40/45
Skyflow SSR Horizontal Roof Cowl SSR40/45
£ 387.98
Skyflow SSR Horizontal Roof Cowl SSR40/45 • UV stabilised • Maintenance free • Up to 30° roof pitch • Goose Wing Grey paint finish (BS 00-A-05) Applications This unit is ideally s...
Skyflow SSR Horizontal Roof Cowl SSR25
Skyflow SSR Horizontal Roof Cowl SSR25
£ 266.43
Skyflow SSR Horizontal Roof Cowl SSR25 • UV stabilised • Maintenance free • Up to 30° roof pitch • Goose Wing Grey paint finish (BS 00-A-05) Applications This unit is ideally suit...
Skyflow SSR Horizontal Roof Cowl SSR50/56
Skyflow SSR Horizontal Roof Cowl SSR50/56
£ 414.96
Skyflow SSR Horizontal Roof Cowl SSR50/56 • UV stabilised • Maintenance free • Up to 30° roof pitch • Goose Wing Grey paint finish (BS 00-A-05) Applications This unit is ideally s...
Skyflow SSR Horizontal Roof Cowl SSR63/71
Skyflow SSR Horizontal Roof Cowl SSR63/71
£ 703.32
Skyflow SSR Horizontal Roof Cowl SSR63/71 • UV stabilised • Maintenance free • Up to 30° roof pitch • Goose Wing Grey paint finish (BS 00-A-05) Applications This unit is ideally s...
Displaying 1 to 24 (of 47 products)
1 x BDS 630/710 RA b/d shutter1 x Activated Carbon Discarb Cell - 293H x 293W x 598Dmm1 x CBMT/Q 315-30 1 HEATER KIT1 x CBMT/Q 400-9 3 HEATER KIT1 x Run On Timer - 5s - 4hrs - RT5A1 x IK - Inspection Door & Drain Plug for TLZ 450 R1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Woods 45JM/20/2/6/32/3ph - Smoke Extract Fan F300/1201 x Duct Humidistat - HS3_hdt1 x CBMT/Q 200-54 1 HEATER KIT1 x CBMT/Q 160-15 1 HEATER KIT1 x Commercial Activated Carbon Filters - Panel Type - 24" x 24" x 2" - ACP1 x VKS 355-500 Automatic shutter1 x BDS 300/315 RA b/d shutter1 x Duct Suspension Rings - 100mm1 x FlameProof Plate Axial Fan - Single Phase - 12 inches - Eexd IIC T4 -4pole1 x Circular Ceiling Diffuser - TST 1001 x EC Trickle and boost module - IP561 x FlameProof Plate Axial Fan - Single Phase - 9 inches - Eexd IIC T4 -2pole1 x Backdraught Shutters 039-SFSV-63/711 x Elta 2 Amp Electronic single phase speed controller.1 x DDMP 09/09 Mounting Flange1 x EC6H - Reversible Group Fan Electronic Controller1 x Anti Vibration Duct Suspension Rings - 400mm1 x Jetflow-HIT Metal inline - 125mm1 x K 315 L Sileo Metal Tube Fan1 x CBM 10/10 - 750watt 4P RE VR (3 Phase)1 x Helios DDF-315 Roof Cowl1 x Belt Drive Cased Axial Fan - 630mm - L version1 x Multiflow SMB450/4-1AC1 x Duct Suspension Rings - 400mm1 x ELTA - Single Phase Transformer 2amps1 x Roof Axial Cowl - RAW10001 x Elta SLC710/4A-3AC - IP551 x TD4000 Mixvent - 355mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 6 Pole 300watt VR RE1 x Flat Roof Terminal -OFT 5 - EPDM1 x Elta Wall Cowl SWC35/401 x 125mm Insulated Round T-Piece1 x Helios DDF-200 Roof Cowl1 x CBA-60 Inlet Flange for CBT-601 x Acoustic Box Fans (Inline) - CAB-355 RE1 x Cased Axial Fan Extension - 400mm dia1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-16000/630 ND - Pack 91 x Etaline 355mm - E2-011 x CC-710-2.2kw1 x Elta Cased Axial Flange - 250mm1 x KVK SLIM 200 EC - Centrifugal Circular Duct Fan1 x Belt Drive Cased Axial Fan - 710mm - H version1 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 315mm1 x Acoustic MiniBox Fan - MINI-BOX 2001 x DDMP 07/07 Mounting Flange1 x Casals Circular Outlet Connection Flange - 5102018031 x Acoustic MiniBox Fan - MINI-BOX 2501 x KVK Silent 355 Centrifugal circular duct fan1 x CBM-10/10 515 6P RE VR IP55 (230V50)F V51 x Soler & Palau HXM-200mm1 x Ducting 90 Degree Bend - 400mm1 x MUB 016 200EC - Acoustic EC Box Fan
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...